/Engine/Source/Editor/KismetCompiler/Public/KismetCompilerMisc.h
true when the property is a BP user variable that should usesUFieldNotificationLibrary::SetPropertyValueAndBroadcastto set its value.
static bool IsPropertyUsesFieldNotificationSetValueAndBroadcast ( const [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * Property )